// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/test/content_browser_sanity_checker.h"

#include "base/bind.h"
#include "content/browser/web_contents/web_contents_impl.h"
#include "content/test/web_contents_observer_sanity_checker.h"

namespace content {

namespace {
    bool g_sanity_checks_already_enabled = false;
}

ContentBrowserSanityChecker::ContentBrowserSanityChecker()
{
    CHECK(!g_sanity_checks_already_enabled)
        << "Tried to enable ContentBrowserSanityChecker, but it's already been "
        << "enabled.";
    g_sanity_checks_already_enabled = true;

    creation_hook_ = base::Bind(&ContentBrowserSanityChecker::OnWebContentsCreated,
        base::Unretained(this));
    WebContentsImpl::FriendZone::AddCreatedCallbackForTesting(creation_hook_);
}

ContentBrowserSanityChecker::~ContentBrowserSanityChecker()
{
    WebContentsImpl::FriendZone::RemoveCreatedCallbackForTesting(creation_hook_);
    g_sanity_checks_already_enabled = false;
}

void ContentBrowserSanityChecker::OnWebContentsCreated(
    WebContents* web_contents)
{
    WebContentsObserverSanityChecker::Enable(web_contents);
}

} // namespace content
